太阳能热气流发电技术及其应用展望

Progress of Researches on Solar Chimney Power Generation Technology and Its Application

太阳能热气流发电作为一种清洁能源发电技术,在运行方式、改善生态等方面具有其独特优势,目前正备受国内外学者关注并已成为太阳能利用技术研究热点之一。为此,首先简述了太阳能热气流发电的基本原理,以及近年来针对集热棚、烟囱、涡轮机、蓄热层及导流锥五大关键设备进行的特性研究;进而总结了各国学者在仿真案例研究、结构参数优化、数值理论建模和经济可行性分析等方面的研究进展;在此基础上,简要介绍了近年国内外针对太阳能热气流发电已开展的物理实验平台,其中重点介绍了青海大学开发的国内首个具有发电和储能双重功能的太阳能热气流实验系统;最后,根据太阳能热气流发电当前研究现状,针对该技术在青海西部地区的综合能源系统应用、建设前景等方面提出思考和建议。

As a kind of clean energy power generation technology,solar chimney power plant has become a hot topic of research on solar energy utilization technology and has stimulated enormous research interest in this subject because of its unique advantages in operation mode,ecological improvement and other aspects.Consequently,we introduced the basic principle of solar chimney power plant and analyzed the characteristics of five key devices,including collector,chimney,turbine,heat storage layer,and guide wall.Then,we summarized the progress of researches on simulation case study,structural parameter optimization,numerical modeling,and economic feasibility analysis.Furthermore,we briefly introduced the domestic and overseas experimental setups for solar chimney power plant in recent years and emphatically introduced the solar chimney power plant with dual functions of power generation and energy storage developed by Qinghai university.Finally,in view of the current research status of solar chimney power plant,we put forward some thoughts and suggestions on the application of integrated energy system based on solar chimney power plant and the construction prospect of this technology in the western region of Qinghai.